Magnetrol B75 Скачать руководство пользователя страница 1 | Manualshive

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Sealed

External

Cage

Liquid

Level

Switches

B73 & Series 75

Installation and Operating Manual

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Содержание B75

Страница 1: ...Sealed External Cage Liquid Level Switches B73 Series 75 Installation and Operating Manual...

Страница 2: ...ardous Low Voltage Directive For use in Installation Category II Pollution Degree 2 If equipment is used in a manner not specified by manufacturer protection provided by equipment may be impaired Noti...

Страница 3: ...What To Do 10 4 1 1 Keep Control Clean 10 4 1 2 Inspect Switch Mechanisms Terminals and Connections Monthly 11 4 1 3 Inspect Entire Unit Periodically 11 4 2 What To Avoid 11 5 0 Specifications 5 1 Age...

Страница 4: ...necessary provide a stand or hanger to help support its weight All piping should be straight and free of low spots or pockets so that lower liquid line will drain towards the vessel and upper vapor li...

Страница 5: ...of the two switch actuating level marks on the float chamber with the desired levels in the vessel 1 5 Wiring Caution Level controls are shipped from the factory with the enclosing tube tightened and...

Страница 6: ...e factory A suitable conduit box should be provided for the connection of the leads to the control wiring 6 Dress wiring to ensure no interference or contact with tilt of switch or replacement of swit...

Страница 7: ...t moves the magnetic attraction sleeve up within the enclosing tube and into the field of the switch mechanism magnet Refer to Figure 4 As a result the magnet is drawn in tightly to the enclosing tube...

Страница 8: ...e lower actuation point and resets on the higher actuation point Widening the differential will allow the switch to trip on the original actuation point and reset at a later or higher point The differ...

Страница 9: ...m nuts and guide washer on the stem in the position previously noted Tighten upper jam nuts securely Refer to Figure 7 NOTE Use a new enclosing tube gasket when reassembling enclos ing tube to the cha...

Страница 10: ...s of a hollow stem The lower float attaches to the upper attraction sleeve with a solid stem that extends upward through the upper float and stem assembly 2 5 1 Installation Preventive Maintenance and...

Страница 11: ...ective If a thorough inspection of these possible conditions fails to locate the trouble proceed next to a check of the control s switch mechanism 3 1 Check Switch Mechanism 1 Pull disconnect switch o...

Страница 12: ...ough control is deactivated Close operating medium supply valve on controls equipped with pneumatic switch mechanisms 4 With liquid in chamber proceed to check level sensing action by removing switch...

Страница 13: ...presentative for assistance A complete description of the trouble should be provided along with information concerning your piping and mounting arrangement plus a description of your operating sequenc...

Страница 14: ...s furnished for service instructions 4 Level controls may sometimes be exposed to excessive heat or moisture Under such conditions insulation on electrical wiring may become brittle eventually breakin...

Страница 15: ...switch housing cover off the control longer than necessary to make routine inspections 2 Never place a jumper wire across terminals to cut out the control If a jumper is necessary for test purposes b...

Страница 16: ...56 24 62 12 21 5 56 25 43 2 44 3 50 216 66 548 294 141 625 310 141 646 62 89 P75 0 75 8 50 3 09 21 93 11 56 6 12 25 00 12 21 6 12 25 68 2 56 3 50 216 78 557 294 155 635 310 155 652 65 89 5 2 Physical...

Страница 17: ...158 F F HL LL B D A C E Model B73 Side Side Flanges Model B73 Upper Side Bottom Flanges Model B73 Threaded and Socket Weld Upper Side Bottom Housing D E NEMA 1 4 70 5 00 119 127 NEMA 4X 7 9 5 93 3 87...

Страница 18: ...1 22 2 10 151 84 442 235 159 515 251 159 532 30 53 B75 0 67 8 69 3 80 22 69 11 56 6 69 25 56 12 21 6 69 26 21 2 56 3 24 221 97 576 294 170 649 310 170 666 65 82 C75 0 55 2 72 3 44 69 87 F75 0 55 10 9...

Страница 19: ...158 F F HL LL B D A C E Model B3 Side Side Flanges Model B73 Upper Side Bottom Flanges Model B73 Threaded and Socket Weld Upper Side Bottom Housing D E NEMA 1 4 70 5 00 119 127 NEMA 4X 7 9 5 93 3 87 G...

Страница 20: ...ury E 2 42 683 Dry contact B C D 42 683 Hermetically sealed F 42 683 Hermetically sealed HS H1 42 694 Bleed type pneumatic J 42 685 Non bleed type pneumatic K 42 486 High temperature dry contact R 42...

Страница 21: ...erence Housing base Switch mechanism on previous page for switch and housing bulletin furnished Attraction sleeve kit includes items 4 5 6 7 089 3409 009 089 3409 002 Enclosing tube models w electric...

Страница 22: ...in Mercury A 3 42 683 Anti vibration mercury E 2 42 683 Dry contact B C D 42 683 Hermetically sealed F 42 683 Hermetically sealed HS H1 42 694 Bleed type pneumatic J 42 685 Non bleed type pneumatic K...

Страница 23: ...2 486 High temperature dry contact R 42 799 6 3 3 Switch and Housing Reference Models B C G J L M Models F K N Housing cover See Section 6 3 3 Switch and Housing Reference Housing base Switch mechanis...

Страница 24: ...275 28 20 B73 3 0 59 304 stainless steel chamber 316 stainless steel float 304 stainless steel trim B73 4 0 59 316 stainless steel chamber 316 stainless steel float 316 stainless steel trim MODEL NUMB...

Страница 25: ...Class I Div 1 Groups C D Class I Div 1 Groups B C D ATEX Series A Mercury 20 to 450 29 to 232 SPDT AKP ANP AKT ANT AAC ABC AKQ ANQ AKS ANS AA9 AB9 DPDT Series B Snap 40 to 250 40 to 121 SPDT BKP BNP...

Страница 26: ...00 1000 38 288 399 482 538 CARBON STEEL CHAMBER B75 0 67 0 71 n a 1000 870 716 357 138 69 60 49 25 10 C75 0 55 0 59 n a 500 435 400 357 138 34 30 28 25 10 F75 0 55 0 56 n a 1000 870 800 523 200 69 60...

Страница 27: ...block 50 to 550 46 to 288 SPDT 1 HM3 HM4 HA9 HM3 HM4 HA9 DPDT 1 HM7 HM8 HB9 HM7 HM8 HB9 Series H1 Hermetically Sealed 1 amp Snap with wiring leads 50 to 750 46 to 399 SPDT 1 HKJ HKK n a HKJ HKK n a SP...

Страница 28: ...ds the cause of the claim to be covered under the warranty If the trouble is the result of conditions beyond our con trol or is NOT covered by the warranty there will be charges for labor and the part...

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